Tablet holder



FIG. 1 is a perspective view;

FIG. 2 is a front elevational view;

FIG. 3 is a rear elevational view;

FIG. 4 is a top plan view;

FIG. 5 is a bottom plan view;

FIG. 6 is a right side view; and,

FIG. 7 is a left side view.

CLAIM The ornamental design for a tablet holder, as shown and described.